<template>
  <el-container class="home_container">
    <!-- 头部区域开始 -->
    <el-header>
      <div>
        <img src="../assets/img/logo.png" alt />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="loginout">退出</el-button>
    </el-header>
    <!-- 头部区域结束 -->
    <!-- 主体区域开始 -->
    <el-container>
      <!-- 侧边栏开始 -->
      <el-aside :width="isCollapse ? '64px' : '200px' ">
        <div class="toggle_button" @click="toggleCollapse">|||</div>
        <el-menu :default-active="activePath" router unique-opened :collapse="isCollapse" :collapse-transition="false" background-color="#333744" text-color="#fff" active-text-color="#0C6BE4">
          <!-- 一级菜单 -->
          <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
            <!-- 一级菜单的模板区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级菜单 -->
           <el-menu-item @click="saveNavState('/'+subItem.path)" :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id">
             <template slot="title">
              <!-- 图标 -->
              <i class="el-icon-location"></i>
              <!-- 文本 -->
              <span>{{subItem.authName}}</span>
            </template>
           </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 侧边栏结束 -->
      <!-- 右侧内容开始 -->
      <el-main>
        <router-view></router-view>
      </el-main>
      <!-- 右侧内容结束 -->
    </el-container>
    <!-- 主题区域结束 -->
  </el-container>
</template>
<script>
import { log } from 'util';
export default {
  data() {
    return {
      // 左侧菜单数据 
      menulist: [],
      iconsObj: {
        '125':'iconfont icon-users',
        '103':'iconfont icon-tijikongjian',
        '101':'iconfont icon-shangpingouwudai2',
        // '102':'iconfont icon-danju-tianchong',
        '145':'iconfont icon-baobiao'
      },
      // 左侧菜单是否折叠
      isCollapse:false,
      // 被激活的链接地址
      activePath: ''
    };
  },
  created(){
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  mounted(){
    console.log(this.activePath)
  },
  methods: {
    loginout() {
      window.sessionStorage.clear();
      this.$router.push("/Login");
    },
    // 获取所有的菜单
    async getMenuList(){
     const {data:res} = await this.$http.get('http://api.xiaomadagege.cn:8800/api/private/v1/menus')
     if (res.meta.status !== 200) {
       return this.$message.error(res.meta.msg)
       console.log(res);
     }
     this.menulist = res.data
     console.log(res);
     
    },
    // 点击按钮，切换菜单的折叠与展开
    toggleCollapse(){
      this.isCollapse = !this.isCollapse
    },
    // 保存链接的激活状态
    saveNavState(activePath){
      window.sessionStorage.setItem('activePath',activePath)
      console.log(this.activePath)

    }
  }
};
</script>
<style lang="less" scoped>
.home_container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
    img{
      width: 50px;  
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu{
    border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont{
  margin-right: 10px;
}
.toggle_button{
  background-color: #4a5064;
  font-size: 12px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>